Wall element system (100) for the formation of a removal of adjustable wall (200), wherein the wall element system (100) at least one first sandwich wall element (10a) with two cover layers (11a, 11b) and a between the cover layers (11a, 11b) arranged core layer (12), wherein the two cover layers (11a, 11b) have a composite material or from a composite material, and the wall element system (100) at least a first connection element (16a) for the attachment of the first sandwich wall element (10a) in a building (24), characterized in that the first sandwich wall element (10a) on a first longitudinal side (13a) at least one connecting means (14) for connection of the first sandwich wall element (10a) with the first connection element (16a) by means of a first connecting element (15a), and that the first sandwich wall element (10a) at a second longitudinal side (13b) at least one connecting means (14) for connection of the first sandwich wall element (10a) with a second sandwich wall element (10b) by means of a second connecting element (15b) comprises.
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